ring_apply: Minor cleanups
ring_apply: Minor cleanups

Change-Id: I95b33b5472ac6d18b266b5c3868d0da92e9f0f39
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/32130
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Reviewed-by: Martin Peschke <4c516a35580133f593dfe866810ac6bfbd5b0dba@de.ibm.com>
Tested-by: Hostboot CI <52521565bd8ea18a2b112942dce4f4220a97c2c8@us.ibm.com>
Tested-by: PPE CI <dc75934ba5befb9221434e67a247b93aec46b36b@us.ibm.com>
Reviewed-by: Prachi Gupta <25a72946fc4ec2539bba3cff1fbb2916af6a7649@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot